<template>
    <h4>{{person}}</h4>
    <h2>姓名：{{name}}</h2>
    <h2>年龄：{{age}}</h2>
    <h2>薪资：{{job.j1.salary}}K</h2>
    <button @click="name+='~'">修改姓名</button>
    <button @click="age++">增长年龄</button>
    <button @click="job.j1.salary++">涨薪</button>
</template>

<script>
    import { ref, reactive, toRef, toRefs, readonly, shallowReadonly } from 'vue'
    //引用对象
    export default {

        setup() {
            let person = reactive({
                name: '张三',
                age: 18,
                job: {
                    j1: {
                        salary: 20
                    }
                }
            })
            // person = readonly(person)//设置成只读属性
            person = shallowReadonly(person)//设置成浅层次只读属性(对象内层数据可以修改)
            return {

                ...toRefs(person)
            }
        }

    }

</script>

<style>

</style>